Sero Colorado's 2026 population is now estimated at 291. In 2010, the population of Sero Colorado was 203. Sero Colorado has grown by 5 in the last year, which represents a 1.75% annual change. These population values and projections come from Central Bureau of Statistics Aruba - Population Tables Census 2010-2020 (GAC zones) and World Population Review Internal Projections .